WO2013054963A1

WO2013054963A1 - Self-deploying oxygen breathing device

Info

Publication number: WO2013054963A1
Application number: PCT/KR2011/007772
Authority: WO
Inventors: 변종원
Original assignee: 전주대학교산학협력단
Priority date: 2011-10-12
Filing date: 2011-10-19
Publication date: 2013-04-18
Also published as: KR101227801B1

Abstract

The present invention relates to a self-deploying oxygen breathing device. When oxygen stored in an oxygen storage tank is exhausted, a user, such as a firefighter or the like, may manually supply external air, which is filtered using a pumping part consisting of a lever member, a pump member, and a filter member, into the oxygen storage tank to easily prevent the user, such as a firefighter or the like, from having breathing difficulties.

Description

Self-oxygen breathing apparatus

According to the present invention, when the oxygen stored in the oxygen storage tank is exhausted, the user, including the firefighter, supplies the filtered air to the oxygen storage tank by using a pumping part composed of a lever member, a pump member, and a filter member. It relates to a self-oxygen breathing apparatus that can more easily prevent the occurrence of breathing difficulties for the user.

In general, oxygen respirators used for fire fighting is an essential equipment, especially to prevent the occurrence of dyspnea caused by asphyxiation in the event of a fire.

However, when the oxygen stored in the oxygen respirator is exhausted, the firefighters who perform the fire suppression may have difficulty breathing, which may be harmful to life.

When the oxygen stored in the oxygen storage tank is exhausted, the user, including the firefighter, by using a pumping unit consisting of a lever member, a pump member and a filter member self-supplied filtered outside air into the oxygen storage tank to provide a firefighter, etc. It is intended to propose a self-oxygen breathing apparatus that can more easily prevent the occurrence of dyspnea to the user.

According to the present invention, when the oxygen stored in the oxygen storage tank is exhausted, the user, including the firefighter, supplies the filtered air to the oxygen storage tank by using a pumping part composed of a lever member, a pump member, and a filter member. It is an object of the present invention to provide a self-oxygen breathing apparatus that can more easily prevent the occurrence of dyspnea to the user.

The present invention for achieving the above object and the body is worn on the back of the user; An oxygen storage tank provided in the main body and storing air to be supplied to the user; A lever member having a rear end axially coupled to the main body, a pump member configured to move up and down by receiving rotational force from the lever member, and to supply peripheral external air of the main body into the oxygen storage tank; It provides a self-oxygen breathing apparatus comprising a; pumping unit consisting of a filter member for filtering the external air to be introduced into the pump member.

Here, the main body is one body and the other body; A back support member provided on the front side of the one main body and the front side of the other main body to support the back of the user, wherein the oxygen storage tank is provided between the one main body and the other main body, A waist support member is provided on the front side of the one main body and the front side of the other main body to support the waist of the user so as to be positioned in a lower direction.

The pump member includes a cylinder body; An air guide tube formed at one side of the lower portion of the cylinder body and supplying external air introduced into the cylinder body into the oxygen storage tank; An air guide tube formed on the other side of the lower part of the cylinder body and provided with the filter member on a lower side thereof so that the outside air filtered into the cylinder body is introduced; A check valve comprising one side check valve provided in the one air guide tube and the other check valve provided in the other air guide tube; It is preferably configured to include; a piston member which is provided to be elevated in the cylinder body.

Furthermore, it is preferable that a conversion unit for converting the rotational force of the lever member into the lifting motion for the lifting motion of the pump member is provided.

Particularly, the conversion unit includes a lower driving gear axially coupled to a rear end of the lever member, and an upper driving gear provided above the lower driving gear in engagement with the lower driving gear; A driven gear composed of an upper driven gear that rotates by receiving rotational force from the upper driving gear, and a lower driven gear that is located in a lower direction of the upper driven gear; A rotational force transmission member for transmitting a rotational force of the upper driven gear to the lower driven gear; An upper link having an upper side fixed to the lower driven gear, an intermediate link having an upper side axially coupled to a lower side of the upper link, an upper side axially coupled to a lower side of the intermediate link, and a lower side axially coupled to an upper side of the pump member It is preferably composed of; a link member consisting of a lower link.

In addition, the notification unit for notifying the user of the pressure change of the air stored in the oxygen storage tank; A pressure sensor unit for sensing air pressure stored in the oxygen storage tank; Preferably, a control unit for controlling the notification unit is provided by comparing the air pressure value detected by the pressure sensor unit with a preset reference air pressure value.

According to the present invention, when the oxygen stored in the oxygen storage tank provided in the body worn on the user's back including the firefighter is exhausted, the user, including the firefighter, is filtered using a pumping unit composed of a lever member, a pump member, and a filter member. By supplying external air to the oxygen storage tank itself, there is an effect that it is easier to prevent the difficulty of breathing to the user, including firefighters.

1 is a perspective view schematically showing the self-oxygen breathing apparatus that is an embodiment of the present invention,

2 is a front sectional view schematically showing a pump member,

3 and 4 is a left cross-sectional view schematically showing the lifting movement state of the pump member,

5 and 6 are left cross-sectional views schematically showing a process of supplying external air to the oxygen storage tank,

7 is a block diagram schematically illustrating a control state of a controller.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Of course, the scope of the present invention is not limited to the following examples, and various modifications can be made by those skilled in the art without departing from the technical gist of the present invention.

1 is a perspective view schematically showing the self-oxygen breathing apparatus that is an embodiment of the present invention, Figure 2 is a front sectional view schematically showing a pump member 320.

The self-oxygen breathing apparatus according to an embodiment of the present invention includes a main body 10, an oxygen storage tank 20, and a pumping unit 30 as shown in FIGS. 1 and 2.

First, the body 10 is worn on the back of the user, including a firefighter.

Next, the oxygen storage tank 20 is provided in the main body 10.

The air to be supplied to the user, including a firefighter, is stored in the oxygen storage tank 20.

Next, the pumping part 30 is composed of a lever member 310, the pump member 320 and the filter member 330.

One side of the rear end of the lever member 310 is axially coupled to the other side of the upper side of the other main body 120 to be described later.

The pump member 320 may be provided inside the lower side of the main body 120 of the main body 10.

The pump member 320 receives the rotational force from the lever member 310 to move up and down to supply the surrounding external air of the main body 10 to the inside of the oxygen storage tank 20.

The filter member 330 is provided in the pump member 320 to filter external air to be introduced into the pump member 320.

Next, as shown in FIG. 1, the main body 10 may include one main body 110, the other main body 120, and the back support member 130.

The oxygen storage tank 20 may be provided between the main body 110 and the other main body 120.

The back support member 130 may be provided on the front side of the one body 110 and the front side of the other body 120 to support the user's back.

The back support member 130 may be composed of one support cushion 131, the other support cushion 132 and the connecting table 133.

The one side support cushion 131 may be vertically provided at the center of the front side of the one body 110.

The other support cushion 132 may be vertically provided at the center of the front side of the other main body 120.

The connecting rod 133 may be composed of an upper connecting rod 133a and a lower connecting rod 133b.

The upper connecting rod 133a is'

'One side and the other side can be bent vertically to the lower direction to achieve the shape, respectively.

One side of the upper connecting table 133a may be integrally connected with an upper side of the one side support cushion 131.

The other side of the upper connecting table 133a may be integrally connected with the upper side of the other support cushion 132.

The lower connecting rod 133b is'

One side and the other side can be bent vertically in the upward direction to achieve a shape.

One side of the lower connecting table 133b may be integrally connected with the lower side of the one side support cushion 131.

The other side of the lower connecting table 133b may be integrally connected with the lower side of the other support cushion 132.

On the other hand, the waist support member 140 for supporting the user's waist including a firefighter may be further provided.

The waist support member 140 is located in the lower direction of the one side support cushion 131 and the other side support cushion 132 of the back support member 130 and the front side and the other body 120 of the main body 110. Is provided on the front side of the user can support the waist, including firefighters.

The waist support member 140 may be composed of an intermediate support cushion 141, one side support cushion 142, and the other side support cushion 143.

The intermediate support cushion 141 may be integrally provided at the front side of the lower connecting table 133b of the connecting table 133.

The one side support cushion 142 may be integrally formed at one side of the intermediate support cushion 141 to be located in the front side direction of the one body 110.

The other side support cushion 143 may be integrally formed on the other side of the intermediate support cushion 141 to be located in the front side direction of the other body 120.

Although not shown in the drawing, the back support member 130 may be provided with a known shoulder strap surrounding the shoulder portion of the user, including a firefighter,

The waist support member 140 may be provided with a known waist belt surrounding the waist of the user, including a firefighter.

Next, the pump member 320 may include a cylinder body 321, one air guide pipe 322, the other air guide pipe 323, the check valve 324 and the piston member 325. .

The cylinder body 321 may be vertically provided in the inner lower side of the other main body 120 of the main body 10.

The one side air guide tube 322 may be formed perpendicular to the lower side of the cylinder body 321 to communicate with the inside of the cylinder body 321.

The lower side of the one side air guide tube 322 may be exposed to a predetermined length to the outside in a state passing through the lower surface of the other main body 120.

The one side air guide tube 322 may supply the external air introduced into the cylinder body 321 into the oxygen storage tank 20.

The other air guide tube 323 may be vertically formed at the other lower side of the cylinder body 321 so as to communicate with the inside of the cylinder body 321.

The lower side of the other air guide tube 323 may be exposed to a predetermined length to the outside in a state passing through the lower surface of the other main body 120.

The filter member 330 may be provided at a lower side of the other air guide tube 323 so that the filtered outside air flows into the cylinder body 321 in a state in which foreign substances such as dust are removed.

The check valve 324 (a valve which prevents backflow of liquid and flows only in one direction) may be constituted by one side check valve 324a and the other side check valve 324b.

The one side check valve 324a may be provided in the one side air guide tube 322 to open and close the one side air guide tube 322.

The other check valve 324b may be provided in the other air guide pipe 323 to open and close the other air guide pipe 323.

The piston member 325 may be composed of a shanghai copper plate 325a, a packing 325b, and a shanghai copper bar 325c.

The shanghai copper plate 325a may be provided to be movable up and down inside the cylinder body 321.

The packing 325b may be integrally provided on the outer circumferential surface of the shanghai copper plate 325a and move along the shanghai copper plate 325a in contact with the inner circumferential surface of the cylinder body 321.

The shanghai copper bar 325c may be accommodated inside the cylinder body 321 in a state of being integrally vertically provided in an upper middle portion of the shanghai copper plate 325a.

The upper side of the shandong copper bar 325c may be exposed to a predetermined length to the outside in a state passing through the middle portion of the upper surface of the cylinder body 321.

Next, the conversion unit 40 for converting the rotational force of the lever member 310 to the lifting motion for the lifting motion of the piston member 325 of the pump member 320 may be provided.

As shown in FIG. 2, the converter 40 may include a drive gear 410, a driven gear 420, a rotation force transmitting member 430, and a link member 440.

The drive gear 410 may include a lower drive gear 411 and an upper drive gear 412.

The lower driving gear 411 may be accommodated in the upper side of the other main body 120 of the main body 10 in a state in which the lower drive gear 411 is axially coupled with the rear end of the lever member 310.

The upper drive gear 412 is accommodated in the upper side of the other main body 120 of the main body 10 in a state provided on the upper side of the lower drive gear 411 in mesh with the lower drive gear 411. Can be.

The driven gear 420 may include an upper driven gear 421 and a lower driven gear 422.

The upper driven gear 421 is axially coupled to the upper driving gear 412 while being kept at a predetermined distance from the upper driving gear 412 to be accommodated inside the other main body 120 of the main body 10. Can be.

The upper driven gear 421 may rotate by receiving rotational force from the upper driving gear 412.

The lower driven gear 422 is axially coupled to one inner circumferential surface of the other main body 120 of the main body 10 so as to be positioned in a lower direction of the upper driven gear 421. Can be accommodated.

The rotation force transmitting member 430 may be made of a known time belt or the like.

The rotational force transmitting member 430 may be wound around the outer circumferential surfaces of the upper driven gear 421 and the lower driven gear 422, and may transmit the rotational force of the upper driven gear 421 to the lower driven gear 422. have.

The link member 440 may include an upper link 441, an intermediate link 442, and a lower link 443.

The upper side of the upper link 441 may be integrally fixed to the lower side of the shaft 422a of the lower driven gear 422.

The upper side of the intermediate link 442 may be axially coupled to the lower side of the upper link 441.

An upper side of the lower link 443 may be axially coupled to the lower side of the intermediate link 442.

The lower side of the lower link 443 may be axially coupled to the upper side of the shandong bar 325c of the piston member 325 of the pump member 320.

3 and 4 is a left cross-sectional view schematically showing the lifting movement state of the pump member 320.

The user may repeatedly rotate the front end of the lever member 310 in the vertical direction with respect to the rear end of the lever member 310, wherein the piston member 325 of the pump member 320 is shown in FIG. As shown in Figure 4 it will be repeatedly lifting.

5 and 6 are left cross-sectional views schematically illustrating a process of supplying external air to the oxygen storage tank 20.

When the user rotates the front end of the lever member 310 in the upward direction to rotate the lower drive gear 411 of the drive gear 410 in the forward direction as shown in Figure 5 the lower driven gear 422 is It will rotate in the reverse direction.

At this time, the lower side of the upper link 441 is rotated in the lower direction of the upper link 441 relative to the upper side of the upper link 441 as shown in Figure 4 to lower the piston member 325. do.

When the user rotates the front end of the lever member 310 in the downward direction to rotate the lower drive gear 411 of the drive gear 410 in the reverse direction, as shown in Figure 6 the lower driven gear 422 is It will rotate in the forward direction.

At this time, the lower side of the upper link 441 is rotated to the upper direction of the upper link 441 relative to the upper side of the upper link 441 as shown in Figure 3 to raise the piston member 325. do.

When the piston member 325 is raised, as shown in FIG. 6, the one side check valve 324a closes the one air guide tube 322, and the other side check valve 324b is the other air guide tube ( 323 is opened, and at the same time, the outside air can be introduced into the cylinder body 321 through the other air guide tube 323 in a filtered state by the filter member 330.

When the piston member 325 is lowered as shown in FIG. 5, the one side check valve 324a opens the one air guide tube 322, and the other side check valve 324b is the other air guide tube ( 323 is closed, and at the same time, the filtered outside air introduced into the cylinder body 321 passes through the air guide tube 322 to pass the oxygen through a line 80 including a hose or the like. It may be supplied into the storage tank 20.

One end of the line 80 including a hose or the like may be securely connected to the lower side of the oxygen storage tank 20 to communicate with the inside of the oxygen storage tank 20.

The other end of the line 80 including a hose or the like may be hermetically connected to the lower side of the one air guide tube 322 to communicate with the one air guide tube 322.

One side of the line 80 may be provided with an electronic on-off valve 90 for opening and closing the line 80 by the control of the control unit 70 to be described later.

7 is a block diagram schematically illustrating a control state of the controller 70.

Next, as shown in FIG. 7, the notification unit 50, the pressure sensor unit 60, and the controller 70 may be further provided.

The notification unit 50 may notify the user of the pressure change of the air stored in the oxygen storage tank 20.

The pressure sensor unit 60 may be formed of a known pressure gauge and the like to detect the pressure of air stored in the oxygen storage tank 20.

The controller 70 may control the alarm unit 50 by comparing the air pressure value detected by the pressure sensor unit 60 with a reference air pressure value preset in the controller 70.

Although not shown in the drawing, the notification unit 50 may include a light emitting member, a speaker, and a vibrator.

The light emitting member may be formed of an LED or the like, and may emit light under the control of the controller 70.

The speaker may be provided in the main body 10 to generate an alarm sound under the control of the controller 70.

The vibrator may be worn on a user's body including a firefighter and may transmit vibration to a user including a firefighter by the control of the controller 70.

When the air pressure value detected by the pressure sensor unit 60 is less than the reference air pressure value preset in the controller 70, the controller 70 determines that oxygen is almost exhausted in the oxygen storage tank 20. Receiving power from the power supply unit 710 including a battery and the like to control the electronic on-off valve 90 provided in the line 80 to open the line 80,

The light emitting member emits light, the speaker generates an alarm sound, and the vibrator generates vibration.

When the air pressure value sensed by the pressure sensor unit 60 is equal to or greater than the preset reference air pressure value in the controller 70, the controller 70 determines that a large amount of oxygen is stored in the oxygen storage tank 20. By receiving power from the power supply unit 710 including a battery to control the electronic closing valve 90 provided in the line 80 to close the line 80,

The light emitting member, the speaker, and the vibrator are controlled to be inoperative.

According to the present invention configured as described above, when the oxygen stored in the oxygen storage tank 20 provided in the main body 10 worn on the user's back including a firefighter is exhausted, the user including the firefighter or the lever member ( 310, the pump member 320 and the filter member 330 is composed of the pumping unit 30, the external air filtered by the self-supplied in the oxygen storage tank 20, breathing difficulty to the user, including firefighters, etc. There is an advantage that can be more easily prevented from occurring.

Claims

A main body 10 worn on the back of the user;

An oxygen storage tank 20 provided in the main body 10 and storing air to be supplied to the user;

A lever member 310 having a rear end axially coupled to the main body 10 and a lifting force received from the lever member 310 are moved up and down so that the surrounding external air of the main body 10 of the oxygen storage tank 20 is rotated. A pumping unit 30 configured to include a pump member 320 to be supplied to the inside and a filter member 330 provided at the pump member 320 to filter external air to be introduced into the pump member 320. Self-oxygen breathing apparatus, characterized in that made.
The method of claim 1,

The main body 10 includes one main body 110 and the other main body 120;

And a back support member 130 provided at the front side of the one main body 110 and the front side of the other main body 120 to support the back of the user.

The oxygen storage tank 20 is provided between the one main body 110 and the other main body 120,

A waist support member 140 provided at the front side of the one body 110 and the front side of the other body 120 so as to be positioned in the lower direction of the back support member 130 to support a waist of the user; Self-oxygen breathing apparatus characterized in that the.
The method of claim 1,

The pump member 320 and the cylinder body 321;

A side air guide tube 322 formed at one lower side of the cylinder body 321 and supplying external air introduced into the cylinder body 321 into the oxygen storage tank 20;

The other side air guide tube 323 is formed on the other side of the lower end of the cylinder body 321, the filter member 330 is provided on the lower side so that the outside air filtered into the cylinder body 321 can be introduced; ;

A check valve 324 composed of one side check valve 324a provided in the one air guide pipe 322 and the other check valve 324b provided in the other air guide pipe 323;

Self-oxygen breathing apparatus characterized in that it comprises a; piston member (325) which is provided to be elevated in the cylinder body (321).
The method of claim 1,

Self-oxygen breathing apparatus characterized in that the conversion unit 40 for converting the rotational force of the lever member 310 to the lifting movement for the lifting movement of the pump member 320 is provided.
The method of claim 4, wherein

The converting unit 40 is located on the upper side of the lower drive gear 411 in mesh with the lower drive gear 411 coupled to the rear end of the lever member 310 and the lower drive gear 411. A drive gear 410 composed of an upper drive gear 412 provided;

A driven gear 420 composed of an upper driven gear 421 rotating by receiving rotational force from the upper driving gear 412, and a lower driven gear 422 positioned in a lower direction of the upper driven gear 421. ;

A rotational force transmission member 430 for transmitting a rotational force of the upper driven gear 421 to the lower driven gear 422;

An upper link 441 having an upper side fixed to the lower driven gear 422, an intermediate link 442 having an upper side coupled to the lower side of the upper link 441, and an upper side below the intermediate link 442. It is axially coupled, the lower side is a link member 440 consisting of a lower link (443) is axially coupled to the upper side of the pump member 320; self-oxygen breathing apparatus comprising a.
The method of claim 1,

A notification unit 50 for informing a user of a change in pressure of air stored in the oxygen storage tank 20;

A pressure sensor unit 60 for sensing air pressure stored in the oxygen storage tank 20;

Self-oxygen breathing apparatus characterized in that the control unit 70 for controlling the notification unit 50 by comparing the air pressure value detected by the pressure sensor unit 60 with the preset reference air pressure value.